diff --git a/test/runtests.jl b/test/runtests.jl
index eb0fc78..7cc19d9 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,6 +1,9 @@
 using SymbolicIndexingInterface
 using Test
 
-@testset begin
+@testset "Interface test" begin
     @time include("example_test.jl")
 end
+@testset "Trait test" begin
+    @time include("trait_test.jl")
+end
diff --git a/test/trait_test.jl b/test/trait_test.jl
new file mode 100644
index 0000000..9665509
--- /dev/null
+++ b/test/trait_test.jl
@@ -0,0 +1,14 @@
+using SymbolicUtils
+using Symbolics
+using SymbolicIndexingInterface
+using Test
+
+@test all(issymbolic.([Int, Float64, String, Bool, UInt, Complex{Float64}]) .==
+          (NotSymbolic(),))
+@test all(issymbolic.([Symbol, SymbolicUtils.BasicSymbolic, Symbolics.Num]) .==
+          (Symbolic(),))
+@variables x
+@test issymbolic(x) == Symbolic()
+@variables y[1:3]
+@test issymbolic(y) == NotSymbolic()
+@test all(issymbolic.(collect(y)) .== (Symbolic(),))